Rigorous trainer selection
Each trainer is validated on three criteria: hands-on field expertise, proven pedagogy and alignment with your industry.
- Triple validation: technical, pedagogical, sectoral.
- Minimum rating 4.8/5 over the last 12 sessions.
Learning objectives
- Master the Outbox Pattern for professional event reliability in enterprise environments
- Implement robust distributed transactions with certified Outbox Pattern
- Develop optimized pollers and relayers for scalable microservices
- Design resilient architectures integrating Outbox Pattern and event sourcing
- Optimize Outbox Pattern performance in cloud-native environments
- Deploy Outbox Pattern solutions in production with advanced monitoring
- Acquire certifying skills in reliable distributed event management
The Learni story
Founded by passionate learning and innovation experts, Learni's mission is to make professional training accessible to everyone, anywhere in the world. Our team operates in major hubs — London, New York, Boston — and internationally, to support talents and organizations in upskilling.
Don't let this gap widen
Why this program matters
Without this upskilling, your team accumulates a technological gap that translates directly into productivity loss.
Organizations that don't train their talents on key topics see their competitiveness drop.
Every quarter without training is a gap widening with competitors who invest.
The cost of inaction quickly exceeds that of well-targeted training.
Program
Module 1Outbox Pattern Fundamentals: Implementing the Transactional Base (JPA, Debezium, PostgreSQL)
Dive into the principles of the Outbox Pattern to solve dual-write problems, configure an outbox table with JPA and Hibernate in a Spring Boot microservice, integrate Debezium for real-time Change Data Capture, perform practical exercises on simulated ACID transactions, produce your first idempotent relayer to Kafka, test resilience against database failures, and document an enterprise-ready implementation schema.
Module 2Advanced Outbox Pattern: Optimizing Pollers and Relayers (Kafka Streams, Idempotence, Exactly-Once)
Build performant pollers with Quartz scheduling and custom outbox projections, implement exactly-once semantics via Kafka Transactions and persistent offsets, develop a resilient relayer with exponential retry backoff and dead-letter queues, apply these techniques to a concrete distributed e-commerce case, measure latencies with Micrometer and Grafana, generate metrics for alerting, and validate idempotence on chaos engineering restart scenarios.
Module 3Outbox Pattern Integration: Event Sourcing and CQRS (Axon Framework, Scalable Projections)
Integrate Outbox Pattern with event sourcing using Axon Framework for consistent aggregates, model scalable read-side projections via Kafka Streams and Elasticsearch, manage saga orchestration for long-running workflows, practice on a banking red thread project with transaction compensation, deploy in Kubernetes with Debezium sidecar, analyze bottlenecks with Jaeger tracing, and produce a documented architectural blueprint for DevOps teams.
Module 4Outbox Pattern in Production: Monitoring, Scaling, and 2026 Evolutions (Cloud-Native, Observability)
Prepare the Outbox Pattern for 2026 with horizontal scaling via Knative and serverless, integrate full observability with Prometheus, Loki, and Tempo for distributed tracing, simulate extreme loads with Artillery and Chaos Mesh, migrate to Avro event formats with Schema Registry, secure with mTLS and RBAC, finalize the red thread project with GitHub Actions CI/CD deployment, and develop a migration plan for legacy enterprise systems.
Evaluation method
- Expert MCQ on advanced Outbox Pattern concepts
- Practical evaluation through implementation of resilient microservices
- Defense of the red thread project with resilience audit
Learning method
- Courses led by an active expert microservices architect
- Practical exercises on real business cases and open-source tools
- Progressive red thread project integrating complete Outbox Pattern
- Detailed course materials and GitHub resources provided to participants
Methods, materials and delivery
The Training Outbox Pattern - Ensuring the Reliability of Microservices program is delivered onsite or remote (blended-learning, e-learning, virtual classroom, remote presence). At Learni, an industry-certified training organization, every program is built to maximize skills acquisition regardless of the chosen format.
The trainer alternates between demonstrative, interrogative and active methods (through hands-on labs and/or scenarios). This pedagogical approach guarantees concrete learning that's immediately applicable at work.
Equipment required
For the smooth delivery of the Training Outbox Pattern - Ensuring the Reliability of Microservices program, the following equipment is required:
- Mac or PC computers, high-speed fiber internet, whiteboard or flipchart, projector or interactive touch screen (for remote sessions)
- Training environments installed on workstations or accessible online
- Course materials, hands-on exercises and complementary resources
- Post-training access to materials and educational resources
For intra-company training on a site outside Learni, the client commits to providing all required teaching materials (computers, internet, etc.) for the smooth delivery of the program in line with the prerequisites in the communicated program.
* contact us for remote delivery feasibility** ratio varies depending on the program
Skills assessment methods
Assessment of skills acquired during the Training Outbox Pattern - Ensuring the Reliability of Microservices program is performed through:
- During training: case studies, hands-on labs and professional scenarios
- End of training: self-assessment questionnaire and skills evaluation by the trainer
- After training: completion certificate detailing acquired skills
Program accessibility
Learni is committed to making its programs accessible. All our programs are accessible to people with disabilities. Our teams are available to adapt the pedagogical methods to your specific needs. Please contact us for any adjustment request.
Enrollment terms and lead times
Learni programs are available inter-company and intra-company, onsite or remote. Enrollments are possible up to 48 business hours before the program starts. Our programs are eligible for corporate funding paths. Contact us to discuss your training project and funding options.
Verified reviews
What our learners
★★★★★
« cool, j'ai appris des trucs »
★★★★★
« j'etais perdu au debut mais Ramy Saharaoui m'a pas laché, il a pris le temps. merci vraiment »
★★★★★
« la formation dev etait intense mais grave bien. merci Anthony Khelil »
★★★★★
« 😊👍 »
★★★★★
« bien 👍 »
★★★★★
« Allan Busi t'es au top, continue comme ça. formation géniale »
★★★★★
« cool, j'ai appris des trucs »
★★★★★
« j'etais perdu au debut mais Ramy Saharaoui m'a pas laché, il a pris le temps. merci vraiment »
★★★★★
« la formation dev etait intense mais grave bien. merci Anthony Khelil »
★★★★★
« 😊👍 »
★★★★★
« bien 👍 »
★★★★★
« Allan Busi t'es au top, continue comme ça. formation géniale »
★★★★★
« cool, j'ai appris des trucs »
★★★★★
« j'etais perdu au debut mais Ramy Saharaoui m'a pas laché, il a pris le temps. merci vraiment »
★★★★★
« la formation dev etait intense mais grave bien. merci Anthony Khelil »
★★★★★
« 😊👍 »
★★★★★
« bien 👍 »
★★★★★
« Allan Busi t'es au top, continue comme ça. formation géniale »
Our method
Training quality, guaranteed at every step
Before, during, after: we frame the brief, introduce the trainer, tailor the content and measure impact. You stay in control from kickoff to wrap-up.
You meet the trainer beforehand
30-minute video call between you and the selected trainer to validate the fit, adjust content and clear any final doubts.
- Live briefing on goals and team context.
- Veto right — we swap the trainer for free if needed.
Content tailored to your context
No recycled slides. The syllabus is reworked from your real cases: tools, constraints, vocabulary, ongoing projects.
- Hands-on cases drawn from your stack and projects.
- Program co-written then validated by your team.
Continuous quality follow-up
Live evaluations, 30/90/180-day check-ins and a consolidation plan. If the impact misses the mark, we rework it.
- NPS, knowledge quizzes and skills self-assessment.
- Satisfaction guarantee: fully satisfied or free rework.
A simple promise: you don't pay to discover the trainer on day one. Everything is validated upfront, by you.
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